220419328

素因数分解:

$2^8\times {\mathrm{861013}}^1$

素因数の和:861029

約数の個数: 18

約数和(自身を含む): 439978154

約数和(自身を除く): 219558826

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 861013, 1722026, 3444052, 6888104, 13776208, 27552416, 55104832, 110209664, 220419328]

約数ペア:

[(1, 220419328), (2, 110209664), (4, 55104832), (8, 27552416), (16, 13776208), (32, 6888104), (64, 3444052), (128, 1722026), (256, 861013)]